Super stainless steel pipe has an outstanding corrosion resistance in reducing environments, good resistance to oxidizing media.
Super stainless steel pipe are widely used in chemical processing, pulp and paper industry, acetic acid production. Wuxi Cepheus is specializing in super stainless steel seamless and welded pipe production.
The grades we manufacture includes 904L, S31254, N08367, N08926, N04400, N05500, N06600, N06601, N06025, N06617, N06625, N06690, N08810, N10276, N06022, N10665, N10675, N08020, N08028, N08031, N06985, N06030, N06035, N07750.
They are inventoried in 6.0 to 830mm, and wall thickness in 0.5mm to 50mm.
| Specification of Super Stainless Steel Pipe | |
| Size | OD: 6.0 ~ 830mm; WT: 0.5 ~ 50mm; Length: 6m, 12m, Max.18m |
| Process | Seamless, Welded |
| Grade | 904L, S31254, N08367, N08926, N04400, N05500, N06600, N06601, N06025, N06617, N06625, N06690, N08810, N10276, N06022, N10665, N10675, N08020, N08028, N08031, N06985, N06030, N06035, N07750 |
| Standard | ASTM A213/213M(ASME SA213/SA213M), ASTM A312/312M(ASME SA312/SA312M), ASTM A789/789M(ASME SA789/SA789M), ASTM A790/790M(ASME SA790/SA790M), ASTM B163(ASME SB163), ASTM B423(ASME SB423), ASTM B407(ASME SB407), ASTM B668(ASME SB668) |
| Surface | Aid Pickling, Polishing(180#, 220#, 240#, 320#, 400#, 600#) |
| Theoretical Weight(kg/m) | Weight/meter = (OD-WT)*WT*0.02589 Both OD and WT in mm. |
Note:
OD is the specified outside diameter.
WT is the specified wall thickness
Stainless steel pipes shall be pickled free of scale. When bright annealing is used, pickling is not necessary.
| Grade | UNS | W.Nr | Production Standard(ASTM/ASME) | |
| Seamless Pipe | Welded Tube | |||
| 904L | N08904 | 1.4539 | B677/SB677 | B673/SB673 |
| 254SMo | S31254 | 1.4547 | A312/SA312 | A312/SA312 |
| AL-6XN | N08367 | Equal1.4529 | B675 | B676 |
| Alloy 926 | N08926 | 1.4529 | A312/SA312 | A312/SA312 |
| Alloy 20 | N08020 | 2.4660 | B729/SB729 | B464&SB474 |
| Monel400 | N04400 | 2.4360 | ||
| MonelK500 | N05500 | 2.4375 | ||
| Inconel600 | N06600 | 2.4816 | B167/SB167 | B516/SB516 |
| Inconel 625 | N06625 | 2.4858 | B444/SB444 | B444/SB444 |
| Alloy 31 | N08031 | 1.4562 | ||
| Alloy 59 | N06059 | 2.4605 | B622/SB622 | B619/SB619 |
| Hastelloy C276 | N10276 | 2.4819 | B622/SB622 | B619/SB619 |
| Hastelloy C22 | N06022 | 2.4602 | B622/SB622 | B619/SB619 |
| Hastelloy B3 | N10675 | B622/SB622 | B619/SB619 | |
| Alloy 330 | N08330 | 1.4864 | B535/SB535 | B535/SB535 |
| Alloy 333 | N06333 | 2.4608 | ||
| Alloy 800 | N08800 | 1.4876 | B407/SB407 | B514/SB514 |
| Alloy 800H | N08810 | 1.4958 | B407/SB407 | B514/SB514 |
| Inconel601 | N06601 | 2.4851 | B617/SB617 | |
Tolerances in Wall Thickness(ASTM A213)
| Tolerances in Wall Thickness A | ||||||||
| Outside Diameter mm | 2.4mm and Under | Over 2.4mm to 3.8mm, incl. | Over 3.8mm to 4.6mm, incl. | Over 4.6mm | ||||
| Over | Under | Over | Under | Over | Under | Over | Under | |
| Seamless, Hot-Finished Pipes | ||||||||
| 100mm and Under | 40 | 0 | 35 | 0 | 33 | 0 | 28 | 0 |
| Over 100mm | … | … | 35 | 0 | 33 | 0 | 28 | 0 |
| Seamless, Cold-Finished Pipes | ||||||||
| Over | Under | |||||||
| 38.1mm and Under | 20 | 0 | ||||||
| Over 38.1mm | 22 | 0 | ||||||
| Welded Pipes | ||||||||
| All Sizes | 18 | 0 | ||||||
Tolerances in Outside Diameter (ASTM A213)
| Specified Outside Diameter, mm | Tolerances, mm | |
| Over | Under | |
| Hot-Finished Seamless Pipes | ||
| 100 or Under | 0.4 | 0.8 |
| Over 100 to 200. Incl. | 0.4 | 1.2 |
| Over 200 to 225, incl. | 0.4 | 1.6 |
| Welded Pipes and Cold-Finished Seamless Pipes | ||
| Under 25 | 0.1 | 0.11 |
| 25 to 40, incl. | 0.15 | 0.15 |
| Over 40 to 50, excl. | 0.2 | 0.2 |
| 50 to 65, excl. | 0.25 | 0.25 |
| 65 to 75, excl. | 0.3 | 0.3 |
| 75 to 100, incl. | 0.38 | 0.38 |
| Over 100 to 200, incl. | 0.38 | 0.64 |
| Over 200 to 225, incl. | 0.38 | 1.14 |
Tolerances in Length (ASTM A213)
| Method of Manufacture | Specified Outside Diameter, mm | Cut Length, mm | |
| Over | Under | ||
| Seamless, hot-finished | All sizes | 5 | 0 |
| Seamless, cold-finished | Under 50.8 | 3 | 0 |
| Welded | 50.8 or Over | 5 | 0 |
| Under 50.8 | 3 | 0 | |
| 50.8 or Over | 5 | 0 | |
Reference Projects Regarding Super Stainless Steel Seamless Pipe & Fitting
| 904L Stainless Steel Seamless Pipe: 406.4*12.7mm, 355.6*12.7mm, 168.3*7.11mm, 114.3*6.02mm, 60.3*3.91mm, 33.4*3.38mm | |
| Guodian Zhejiang Beilun First Power Generation Co.,Ltd. | 904L Stainless Steel Seamless Pipe: 50*6mm |
| Beijing Changxing Kaida Composite Material Science and Technology Development CO.,LTD | S31254 Stainless Steel Seamless Pipe: 323.8*9.53mm, 273*9.27mm, 88.9*5.49mm, 60.3*3.91mm, 33.4*3.38mm |
| Shengzhen New Oriental Industrial Development Co.,Ltd. | Monel 400 Pipe: 6.35*2.1mm |
| Changzhou Wujin Power Pipe Fittings Co.,Ltd. | Monel 400 Pipe: 219*9mm |
| Fluor (China) Engineering & Construction Co.,Ltd. | Incoloy 800H Pipe: 26.9*3.91mm, 60*4mm, 88.9*5.49mm, 323.9*12.7mm, 406.4*15.87mm |
| NFF | Incoloy 800H Pipe: 114*6mm, 168*7mm 219*8mm, 273*9.5mm, 325*10mm, 325*13mm |
| N06625 Seamless Pipe: 146*23mm, 48.3*11mm, 48.3*9mm | |
| N08825 Welded Stainless Steel Pipe: 193.9*3mm, 561.6*3mm | |
| Hailu Heavy Industry | N08825 Seamless Stainless Steel Pipe: 42*5mm, 60*5.5mm |
Packing Information
Super stainless steel pipes from Wuxi Cepheus are packed according to the customer’s requirement. To avoid any damage which might be caused during international transportation, we provide some optional packaging methods, including woven bags, plywood cases, and wooden boxes.